Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

What is harder to catch the faster you run?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Move three sticks of the spiral below to form a square.

Spot 5 differences in two Christmas tree below:

What does this rebus means ?

PROG WORKRESS

Can you find out which number multiplied by itself will give the output as 12345678987654321?

You have a thousand Re. 1 coins with you. You have ten bags with you and you can put any number of coins in each of the bags. The condition is that if someone asks you for any amount between 1 and 1000, you must be able to give that amount by just giving the bag (you are not allowed to open the bag and give coins).

How will you do it?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?